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    <title>Document</title>
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    <script>
        // 打印数组内的函数值
        var arr = [1,2,"hello",function(){console.log(11)},function(){console.log(22)}]; 
        for(var i=0;i<arr.length;i++){
            if(typeof arr[i]=='function'){
                arr[i]();
            }
        }
    </script>
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